About the in to ft calculation
One inch is exactly 0.083333 feet, so converting between them is a single multiplication. Enter any value above and the result updates as you type. Still standard for screen sizes, pipe diameters and tyre rims worldwide. Used for human height in the US and UK, and for altitude in aviation globally.
Formula
ft = in × 0.083333
1 in = 0.083333 ft
1 ft = 12 inWorked example
To convert 12 in, multiply by 0.083333: 12 × 0.083333 = 1 ft.
Frequently asked questions
How many feet are in a inch?
There are 0.083333 feet in one inch. To convert any amount, multiply the number of inches by 0.083333.
How do I convert feet back to inches?
Divide instead of multiplying, or equivalently multiply by 12. One foot is 12 inches.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between inches and feet is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.
Where is each of these units used?
Inches: still standard for screen sizes, pipe diameters and tyre rims worldwide. Feet: used for human height in the US and UK, and for altitude in aviation globally.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units